The total internal energy of a substance is called

Which best describes why nh4+ can form an ionic bond with cl-?

Iknow #2 is d. i just need to know why

Aglow stick contains a glass vial with chemicals. when the glow stick is bent, the vial breaks and the chemicals react to produce a glow. a science student observes that a glow stick kept in the freezer glows for a longer duration than a glow stick kept at room temperature. what conclusion can be drawn based on the observation? be sure to note the outcome and test variables in the conclusion.